Fig. 3
From: Short-term follow-up HRCT Chest of COVID-19 survivors and association with persistent dyspnea
Spectrum of HRCT changes in patients with reticular predominant post-COVID sequelae. a Mild reticular changes with just subpleural fibrotic stripes in posterior basal segments of bilateral lower lobes, b reticular opacities in both lungs with confluent fibrosis (black arrow) and atoll sign (long black arrow) , c reticular opacities with consolidations (black arrow), d reticulations with consolidations (white long arrows), e reticulations with bilateral interlobular septal thickening (curved arrows), f bilateral reversed halo (atoll) sign (long black arrows)